CN105190646A - Document reader - Google Patents
Document reader Download PDFInfo
- Publication number
- CN105190646A CN105190646A CN201480017681.0A CN201480017681A CN105190646A CN 105190646 A CN105190646 A CN 105190646A CN 201480017681 A CN201480017681 A CN 201480017681A CN 105190646 A CN105190646 A CN 105190646A
- Authority
- CN
- China
- Prior art keywords
- certificate
- support section
- supporter
- optical transparency
- reading device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/10—Character recognition
- G06V30/14—Image acquisition
- G06V30/1431—Illumination control
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/10—Character recognition
- G06V30/14—Image acquisition
- G06V30/1444—Selective acquisition, locating or processing of specific regions, e.g. highlighted text, fiducial marks or predetermined fields
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/10—Character recognition
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/0077—Types of the still picture apparatus
- H04N2201/0081—Image reader
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/04—Scanning arrangements
- H04N2201/0402—Arrangements not specific to a particular one of the scanning methods covered by groups H04N1/04 - H04N1/207
- H04N2201/0422—Media holders, covers, supports, backgrounds; Arrangements to facilitate placing of the medium
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/04—Scanning arrangements
- H04N2201/0402—Arrangements not specific to a particular one of the scanning methods covered by groups H04N1/04 - H04N1/207
- H04N2201/0434—Arrangements not specific to a particular one of the scanning methods covered by groups H04N1/04 - H04N1/207 specially adapted for scanning pages of a book
Abstract
The invention relates to a document reader for optical acquisition of an identification document, comprising a document support (101) with a light transparency that can be modified in sections; and with a control device (103) for changing the light transparency of the document support in sections.
Description
Background technology
The credential reading device being furnished with optical camera is generally used for carrying out optically detecting to the certificate such as passport and I.D..The optical camera of credential reading device is generally placed in camera space, and the transparent certificate supporter that this space is made up of clear glass usually covers.Certificate to be collected is placed on after on certificate supporter, the camera be positioned under it can be utilized to carry out optically detecting.
But because certificate supporter is transparent, extraneous light can be penetrated in described camera space and make optically detecting be interfered.For this reason, lid is also used to cover whole certificate supporter.
But whether user accepts above-mentioned lid often still by doubt, and reason is that described lid forms non-illumination cavity, and certificate then inserts in this cavity.So, user cannot see described certificate supporter, therefore also cannot see the placement location of certificate.
Summary of the invention
The object of the present invention is to provide a kind of credential reading device, even if it is not when using the lid of the above-mentioned type, also can carry out optically detecting to certificate, and not by the interference of extraneous light.
This object can be realized by the technical characteristic of independent claims of the present invention.Its preferred implementation sees the technical scheme of instructions, accompanying drawing and dependent claims.
The present invention is based on following understanding: above-mentioned purpose realizes by a kind of certificate supporter with stepwise adjustable or controllable light transparency.Because described optical transparency sectional regulates, the certificate support section that described certificate supporter is not covered by certificate can specific aim dimmed, and described certificate supporter can still be kept transparent by the certificate support section that described certificate covers, and is beneficial to optically detecting.So, can stop that extraneous light is through described certificate itself and dimming or opaque certificate support section or describedly penetrate camera space below described supporter by covering certificate support section through described certificate outside.
According to an aspect, the present invention relates to a kind of credential reading device for certificate optically detecting, comprising: a certificate supporter, there is the optical transparency that sectional regulates; And a control device, for the described optical transparency of sectional-regulated described certificate supporter.So, described certificate supporter sectional is dimmed, thus prevent from the extraneous light be incident on described certificate supporter from penetrating there is optical camera and the camera space that can be positioned under suitable conditions below described certificate supporter, and on the other hand, the described certificate support section that can be covered by described certificate is not dimmed and be adjusted to light-permeable, thus allows described optical camera to carry out optical recording to described certificate.
According to a kind of embodiment, described certificate is that following additional clause is a kind of: I.D., passport, the modes of payments, bank card, credit card, driving license, company's pass, the bill of lading or licence.Described certificate also can be any other certificate being intended to confirm identity and authenticity usually.Described certificate can comprise integrated circuit.
According to a kind of embodiment, first certificate support section of described certificate supporter can be covered by described certificate, wherein, described first certificate support section outside is provided with the second certificate support section, described control device is for increasing the optical transparency of described first certificate support section, or make described first certificate support section keep transparent, and/or reduce the optical transparency of described second certificate support section.
After reducing the optical transparency of described second certificate support section, it can be made dimmed.Meanwhile, described first transparent certificate support section is covered by described certificate.Therefore, extraneous light cannot penetrate described certificate supporter and enter the camera space being positioned at below it or being covered by described certificate supporter.
According to a kind of embodiment, described control device is used for by implementing optically detecting to described certificate, especially gathers the profile of described certificate or pattern, determines described first certificate support section.In this way, according to the size of the described certificate that can be positioned on described certificate supporter and/or placement location, geometric extent or the position of described first certificate support section can be determined.Such as can first use the optical camera of described credential reading device to originally gathering for transparent certificate supporter in the optically detecting process of described certificate, then assessed by described control device, to detect described certificate or the position of this certificate on described certificate supporter.Described detection completes by rim detection or pattern identification.After detection, described control device can make the certificate supporter of described first certificate support section outside dimmed or be adjusted to opaque.
Aforesaid way can make the first certificate support section size match from different certificate size.Described first certificate support section such as can be adjusted to printing opacity or keep printing opacity, and describedly at least partly can not be adjusted to dimmed or opaque by the second certificate support section that described certificate covers around described first certificate support section, thus effectively reduce the intensity of the extraneous light that can penetrate described certificate supporter.
According to a kind of embodiment, described first certificate support section can be specified according to the size of described certificate, especially specifies according to the certificate size selected through graphic user interface or input.Wherein, for example, different certificate size can be selected or input to determine the size of described first optical transparency certificate support section.Described at least partly around described first certificate support section and the second certificate support section being in described first certificate support section outside is such as the remainder of described certificate supporter, it can be dimmed or be adjusted to opaque, such as to realize the optical recording of described certificate.
According to a kind of embodiment, described credential reading device comprises the camera space of the optical camera had for certificate described in optically detecting, wherein, described certificate supporter covers described camera space, and described control device is used for segmentation and reduces the optical transparency of described certificate supporter to reduce the intensity of the light be incident in described camera space.So, for example, can will be adjusted to opaque by the region that described certificate covers, thus make extraneous light or lessly can not penetrate described camera space.
According to a kind of embodiment, described control device is for increasing the optical transparency of described certificate supporter, especially described first certificate support section is adjusted to transparent, wherein, described optical camera is for gathering the first certificate support section that can be covered by described certificate, described control device is used for the optical transparency reducing the second certificate support section being arranged at the first certificate support section outside in the first certificate support section collection afterwards, is especially adjusted to opaque by the support of this second certificate.
For example, in the optically detecting incipient stage, described certificate supporter whole clearing, thus allow to carry out optically detecting to described first certificate support section.Thereafter, be not adjusted to opaque by the described second certificate support section that described certificate covers or dimmed.After described second certificate support section is dimmed, the optical camera be arranged at below described certificate supporter just can be such as used to carry out optically detecting to described certificate.
According to a kind of embodiment, described certificate supporter comprises the liquid crystal cells that sectional controls, and it can such as apply voltage and change optical transparency with segmentation.Described liquid crystal cells such as can be embedded in described file supporter.
According to a kind of embodiment, described certificate supporter comprises liquid crystal layer, such as, be film, this liquid crystal layer forms the surface of described certificate supporter or covers this certificate supporter, and wherein, described liquid crystal layer comprises liquid crystal cells, this liquid crystal cells sectional drives, thus segmentation changes optical transparency.
In above-mentioned two kinds of illustrated embodiment, the operator scheme of described credential reading device is identical.
In these two kinds of situations, described liquid crystal cells all can be set to matrix, and such as gives described first certificate support section or the second certificate support section with addressing mode segment assignments.
According to a kind of embodiment, described control device is used for applying voltage to increase or to reduce described optical transparency to described liquid crystal cells segmentation.Wherein, for example, voltage can be applied on the described liquid crystal cells being dispensed to described first certificate support section, thus this first certificate support section is adjusted to transparent.Similarly, on the described liquid crystal cells being dispensed to described second certificate support section, can not apply voltage or apply ground voltage, thus this second certificate support section is adjusted to opaque or dims.
According to an aspect, the present invention relates to credential reading device that a kind of use has a certificate supporter of optical transparency stepwise adjustable carries out optically detecting method to certificate, comprise the following steps: the optical transparency increasing described certificate supporter; Optically detecting is carried out to the first certificate support section covered by described certificate; Reduce the optical transparency being located at the second certificate support section of described first certificate support section outside; And optically detecting is carried out to described certificate.
In the incipient stage of described optically detecting, described certificate supporter whole clearing, thus allow to carry out optically detecting to described first certificate support section.This process is undertaken detecting by the profile being opposite to the described certificate on described supporter and realizes.Thereafter, will be adjusted to opaque by the described second certificate support section that described certificate covers or dim.After dimming, the optical camera be arranged at below described certificate supporter just can be such as used to carry out optically detecting to described certificate.
Other steps of described method can directly according to the gain-of-function of described credential reading device.
According to a kind of embodiment, described method can be implemented by credential reading device of the present invention.
According to an aspect, the present invention relates to a kind of computer program, having when running on computers for implementing the program code of the inventive method.
Accompanying drawing explanation
Below by way of with reference to accompanying drawing, other embodiments of the present invention are described.In accompanying drawing:
Fig. 1 is credential reading device top view;
Fig. 2 is credential reading device side view;
Fig. 3 is certificate optically detecting method flow diagram.
Reference numerals list
100 credential reading devices
101 certificate supporters
103 control device
105 first certificate support sections
107 second certificate support sections
109 camera spaces
111 optical cameras
113 liquid crystal cells
201 increase optical transparency
203 optically detectings
205 reduce optical transparency
207 optically detectings
Embodiment
Fig. 1 is the credential reading device 100 for certificate optically detecting, comprising: the certificate supporter 101 with the optical transparency that sectional regulates; And the control device 103 of optical transparency for this certificate supporter sectional-regulated.
Control device 103 is such as driving the different certificate support sections of certificate supporter 101 according to the flexible in size that can be positioned over the certificate on described certificate supporter, so that the certificate do not covered by described certificate support section is dimmed or is adjusted to opaque, thus without the need to using lid on certificate supporter 101.
Control device 103 is such as set to during credential reading device 100 operates, the the first certificate support section 105 covered by certificate is adjusted to transparent or makes it keep transparent, and make the second certificate support section 107 being located at the first certificate support section 105 outside be adjusted to opaque or make it keep opaque, thus prevent extraneous light from penetrating described certificate supporter 101.
Fig. 2 is the side view of the device of credential reading shown in Fig. 1 100.The below of certificate supporter 101 is provided with camera space 109, is provided with optical camera 111 in described camera space 109.Camera space 109 is covered by described certificate supporter 101, thus the optical camera 111 under making to be located at it can carry out optically detecting to the certificate that can be placed on certificate supporter 101.
As shown in Figure 2, certificate supporter 101 such as comprises liquid crystal cells 113 (LCD, liquid crystal display).According to a kind of embodiment, liquid crystal cells 113 is arranged in liquid crystal layer, and this liquid crystal layer such as can be film and can cover an object carrier of described certificate supporter, and described object carrier is originally as transparent.According to another kind of embodiment, described certificate supporter is formed by the liquid crystal panel of embedded liquid crystal cells.Any one related in above-mentioned two kinds of situations is below described.
Liquid crystal cells 113 is such as set to matrix form and such as can be distinguished or drive part by part by control device 103.For realizing this object, for example, control device 103 can apply voltage to the region with liquid crystal cells 113, thus liquid crystal cells 113 is alignd, and such as the first certificate support section 105 is adjusted to optical transparency that is transparent or increase the first certificate part 105 simultaneously.In contrast, by not applying voltage to the liquid crystal cells 113 being dispensed to the second certificate support section 107 or applying other voltage to it, the residue second certificate support section 107 of certificate supporter 101 is adjusted to opaque.
Control device 103 also can drive optical camera 111, such as to generate the record of certificate under the initial transparent state of certificate supporter 101, as calibrated the record of certificate.Control device 103 can be set to the position and the size that measure described certificate according to this calibration record, thus determines the first certificate support section 105.Wherein, described control device such as can implement rim detection or pattern identification.
According to a kind of embodiment, when can such as be pointed out by user or graphic user interface selects the size of described certificate and/or be provided with the placement mark of different certificate on described certificate supporter, the step the first certificate support section 105 covered by certificate being implemented to optically detecting also can be saved.
Thereafter, can the second certificate support section 107 being located at the first certificate support section 105 outside be dimmed or be adjusted to nontransparent, thus prevent extraneous light from penetrating camera space 109.Afterwards, optical camera 111 just can be used covering first certificate support section 105 and thus prevent the described certificate entered of extraneous light to implement actual optically detecting in the same fashion.This optically detecting can be triggered by control device 103 equally.
Fig. 3 is the flow chart of steps of preceding method, comprising: the step 201 increasing the optical transparency of certificate supporter 101; Optical camera is used the first certificate support section 105 covered by certificate to be implemented to the step 203 of optically detecting; Reduce the step 205 of the optical transparency be located in the second certificate support section 107 of the first certificate support section 105 outside; Described certificate is implemented to the step 207 of optically detecting.
According to a kind of embodiment, when can such as be pointed out by user or graphic user interface selects the size of described certificate and/or be provided with the placement mark of different certificate on described certificate supporter, the step 203 the first certificate support section 105 covered by certificate being implemented to optically detecting also can be saved.
In this way, can exempt as certificate supporter 101 arranges the demand of lid in addition.In addition, user can see certificate supporter 101, and knows the position to be placed of certificate thus.Meanwhile, also can effectively prevent extraneous light from penetrating camera space 109.
Claims (10)
1., for a credential reading device for certificate optically detecting, it is characterized in that, comprising:
One certificate supporter (101), has the optical transparency that sectional regulates; And
One control device (103), for the described optical transparency of sectional-regulated described certificate supporter.
2. credential reading device as claimed in claim 1, it is characterized in that, first certificate support section (105) of described certificate supporter (101) can be covered by described certificate, described first certificate support section outside is provided with the second certificate support section (107), described control device (103) for increasing the optical transparency of described first certificate support section (105), or reduces the optical transparency of described second certificate support section (107).
3. credential reading device as claimed in claim 2, it is characterized in that, described control device (103) is placed through implements optically detecting to described certificate, especially to profile or the pattern enforcement collection of described certificate, determines described first certificate support section (105).
4. credential reading device as claimed in claim 2 or claim 3, it is characterized in that, described first certificate support section (105) can be specified according to the size of described certificate, is especially undertaken selecting or inputting by graphic user interface.
5. the credential reading device as described in aforementioned any one claim, it is characterized in that, described credential reading device comprises a camera space (109) of the optical camera (111) had for the optically detecting of described certificate, described certificate supporter (101) covers described camera space (109), and described control device (103) reduces the optical transparency of described certificate supporter (101) to reduce the intensity of the light incided in described camera space (109) for segmentation.
6. credential reading device as claimed in claim 5, it is characterized in that, described control device (103) is for increasing the optical transparency of described certificate supporter (101), especially described first certificate support section (105) is adjusted to transparent, described optical camera (111) is for gathering the first certificate support section (105) that can be covered by described certificate, described control device (103) for reducing the optical transparency being located at the second outside certificate support section (107) of the first certificate support section (105) after the first certificate support section (105) gathers, especially this second certificate being supported (107) is adjusted to opaque.
7. the credential reading device as described in aforementioned any one claim, is characterized in that, described certificate supporter (101) comprises sectional control liquid crystal cells (113) changing optical transparency for segmentation; Or described certificate supporter (101) comprises liquid crystal layer, is especially film, described liquid crystal layer comprises sectional control liquid crystal cells (113) changing optical transparency for segmentation.
8. credential reading device as claimed in claim 7, is characterized in that, described control device (103) is for applying voltage, to increase or to reduce described optical transparency to described liquid crystal cells (113) segmentation.
9. the credential reading device that use has a certificate supporter of optical transparency stepwise adjustable carries out a method for optically detecting to certificate, it is characterized in that, comprise the following steps:
Increase the optical transparency of (201) described certificate supporter;
Optically detecting (203) is carried out to the first certificate support section covered by described certificate;
Reduce the optical transparency that (205) are located at the second certificate support section of described first certificate support section outside; And
Optically detecting (207) is carried out to described certificate.
10. a computer program, has the program code requiring method described in 9 when running on computers for enforcement of rights.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013104247.3 | 2013-04-26 | ||
| DE102013104247.3A DE102013104247A1 (en) | 2013-04-26 | 2013-04-26 | Document reader |
| PCT/EP2014/056300 WO2014173625A1 (en) | 2013-04-26 | 2014-03-28 | Document reader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105190646A true CN105190646A (en) | 2015-12-23 |
Family
ID=50489063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480017681.0A Pending CN105190646A (en) | 2013-04-26 | 2014-03-28 | Document reader |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2989595A1 (en) |
| CN (1) | CN105190646A (en) |
| DE (1) | DE102013104247A1 (en) |
| WO (1) | WO2014173625A1 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200941216Y (en) * | 2006-07-31 | 2007-08-29 | 艾深特国际安全技术（深圳）有限公司 | Certificates management system |
| US20090251739A1 (en) * | 2007-12-31 | 2009-10-08 | Lexmark International, Inc. | Imaging apparatus having a document planar member that displays scan operation related indicia |
| CN103020107A (en) * | 2012-10-09 | 2013-04-03 | 成都因纳伟盛科技股份有限公司 | Multifunctional and intelligent certificate access management method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06194751A (en) * | 1992-06-29 | 1994-07-15 | Ricoh Co Ltd | Copying range display device |
| US5742709A (en) * | 1993-05-14 | 1998-04-21 | Fuji Xerox Co., Ltd. | Display panel for use with an image reading device |
| GB9703160D0 (en) * | 1997-02-15 | 1997-04-02 | Ncr Int Inc | Document imaging device |
| US8194292B2 (en) * | 2007-12-31 | 2012-06-05 | Lexmark International, Inc. | Imaging apparatus having an LCD document glass |
| DE102008059903A1 (en) * | 2008-12-02 | 2010-06-10 | Bundesdruckerei Gmbh | Document checking device, particularly as verification device for security- or value documents, has detecting unit with multiple detection elements which are arranged in two-dimensional sensing array |
-
2013
- 2013-04-26 DE DE102013104247.3A patent/DE102013104247A1/en active Pending
-
2014
- 2014-03-28 EP EP14717691.1A patent/EP2989595A1/en active Pending
- 2014-03-28 CN CN201480017681.0A patent/CN105190646A/en active Pending
- 2014-03-28 WO PCT/EP2014/056300 patent/WO2014173625A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200941216Y (en) * | 2006-07-31 | 2007-08-29 | 艾深特国际安全技术（深圳）有限公司 | Certificates management system |
| US20090251739A1 (en) * | 2007-12-31 | 2009-10-08 | Lexmark International, Inc. | Imaging apparatus having a document planar member that displays scan operation related indicia |
| CN103020107A (en) * | 2012-10-09 | 2013-04-03 | 成都因纳伟盛科技股份有限公司 | Multifunctional and intelligent certificate access management method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014173625A1 (en) | 2014-10-30 |
| EP2989595A1 (en) | 2016-03-02 |
| DE102013104247A1 (en) | 2014-10-30 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151223 |